Boko Haram has killed more than 20,000 people whereas they have chased away up to a million people in part of Nigeria, Chad since they started in 2009
Boko Haram egbuola ihe karịrị mmadụ puku iri abụọ ebe ha chụpụrụ mmadụ ruru nde na mpaghara Naịjirịa, Chadị kamgbe ha malitere n'afọ 2009.